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Universal Serial Bus (USB)
Three USB 2.0 ports (USB0/1/2), two USB 3.1 Gen 2 ports (USB 5: Type-
A, USB 6: Type-C), and one USB 3.1 Gen 1 (USB 7) port are on the I/O
back panel. In addition, one USB 3.1 Gen 1 header (USB8/9), one USB
3.1 Gen 1 Type-C header (USB 10), and one USB 2.0 header (USB3/4)
are located on the motherboard to provide front chassis access using
USB cables (not included). Refer to the tables below for pin definitions.
Front Panel USB (2.0) Header 0/1
Pin Definitions
Pin# Definition
1
+5V
3
USB_PN2
5
USB_PP2
7
Ground
9
Key
Front Panel USB (3.1 Gen 1) Header 8/9
Pin Definitions
Pin#
Pin#
Signal Name
1
19
VBUS
2
18
StdA_SSRX-
3
17
StdA_SSRX+
4
16
Ground
5
15
StdA_SSTX-
6
14
StdA_SSTX+
7
13
GND_DRAIN
8
12
D-
9
11
D+
A
B
Pin#
Definition
2
+5V
4
USB_PN3
6
USB_PP3
8
Ground
10
Ground
Description
Power
SuperSpeed Receiver
Differential Pair
Ground of PWR Return
SuperSpeed Transmitter
Differential Pair
Ground for Signal Return
USB 2.0 Differential Pair
C
E
F
D
H
I
G
Back Panel USB (3.1 Gen 1) 2/3, USB (3.1
Gen 2) 4/5/6/7 Pin Definitions
Pin#
Definition
1
+5V
2
USB_PN1
3
USB_PP1
4
Ground
A. Back panel USB 0
B. Back panel USB 1
C. Back panel USB 5
D. Back panel USB 6
E. Back panel USB 2
F. Back panel USB 7
G. USB 3/4
H. USB 8/9
I. USB 10
SYS_FAN2
JPME2:
1-2:NORMAL
2-3:ME MANUFACTURING MODE
JD1:SPEAKER:1-4
JWD1:WATCH DOG
1-2:RST
2-3:NMI
PCI-E M.2-M1
BT1
JSTBY1:
5V STBY POWER
BIOS
LED1
BAR CODE
I-SATA4
I-SATA2
I-SATA0
2-15
I-SATA3
I-SATA5
I-SATA1
MAC CODE
Chapter 2: Installation
Pin#
Definition
5
+5V
6
USB_PN0
7
USB_PP0
8
Ground
USB7
(3.0)
USB2 (2.0)
HD AUDIO
JI2C1/JI2C2
ON :ENABLE
OFF:DISABLE
USB
5/6
(3.1)
LAN
MH12
J9702
2280
J9701/J9702
1-2:NORMAL
2-3:DEBUG MODE
MH11
2260
MH10
2242
SYS_FAN1
JPW1
KB/MOUSE/USB 0/1(2.0)
JPUSB1
JPUSB1:USB0/1 WAKE UP
1-2 ENABLE
2-3 DISABLE
DIMMA1
DIMMA2
DIMMB1
DIMMB2
A
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